On the same day that President-elect Donald Trump doubled down on his doubts about climate change, Microsoft co-founder Bill Gates countered with an announcement of a $1 billion fund dedicated clean energy innovation.

Although an official announcement from Breakthrough Energy Ventures (BEV) has yet to appear on the organization’s website, Gates took to Twitter on Sunday to point the public to an early discussion of the fund.

“People think you can just put $50 million in and wait two years and then you know what you got. In this energy space, that’s not true at all,” Gates toldQuartz. “Anything that leads to cheap, clean, reliable energy we’re open-minded to.” Read more…